As browser security improves, many applications have implemented CORS headers to protect against unauthorized access. I’m working on a Chrome extension that needs to check if a certain URL is present on GitHub, before it opens the URL in a new tab. Let’s explore what we can do.
We’re currently in the business of moving from Mesos/Marathon to Kubernetes. As we have a microservices environment we can move service by service. We have multiple clusters running, so I need to track which teams have which services (still) running on Mesos/Marathon.
Let’s see if we can lift the data out of the system using the Marathon API, JQ and cURL.